21 11

A Portable Stiffness Measurement System

Title
A Portable Stiffness Measurement System
Author
이승백
Keywords
stiffness measurement; Sneddon's solution; portable system
Issue Date
2017-11
Publisher
MDPI AG
Citation
SENSORS, v. 17, no. 11, Article no. 2686
Abstract
A new stiffness measurement method is proposed that utilizes the lateral deformation profile of an object under indentation. The system consists of a force measurement module between a pair of equidistant touch sensing modules. Unique feature of the method is that by adjusting the touch module separation, indenter protrusion, and spring constant of the force sensing module, one can choose a desired sensing range for the force module. This feature helps to enhance the stiffness differentiation between objects of similar hardness and avoids measurement saturation. We devised a portable measurement system based on the method, and tested its performance with several materials including polymer foams and human skin.
URI
https://www.mdpi.com/1424-8220/17/11/2686http://repository.hanyang.ac.kr/handle/20.500.11754/116150
ISSN
1424-8220
DOI
10.3390/s17112686
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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